1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/media/media_repository.py b/synapse/media/media_repository.py
index 52859ed490..0e875132f6 100644
--- a/synapse/media/media_repository.py
+++ b/synapse/media/media_repository.py
@@ -1002,9 +1002,9 @@ class MediaRepository:
                     )
                     t_width = min(m_width, t_width)
                     t_height = min(m_height, t_height)
-                    thumbnails[
-                        (t_width, t_height, requirement.media_type)
-                    ] = requirement.method
+                    thumbnails[(t_width, t_height, requirement.media_type)] = (
+                        requirement.method
+                    )
 
             # Now we generate the thumbnails for each dimension, store it
             for (t_width, t_height, t_type), t_method in thumbnails.items():